A total of 30 pieces of 5/8 inch ball bearing rollers are included in the package; Such a sufficient quantity is enough to meet most industrial or commercial needs; Users not need to worry about running out of supplies in a short period. The size of the ball transfer bearing is about 5/8 inches and the base measures about 1.9 x 1.27 x 0.84 inches; This size is ideal and versatile compatible with most applications; It is neither too large to pose installation difficulties, nor too small to limit its usability; This standard size enhances the convenience and functionality compatible with different types of users. The ball roller bearings are made of carbon steel and nylon, which is hard, wear , bright without burrs, not easy to rust, and noiseless; This robust material can withstand high stress and heavy loads, offering impressive durability that increases the lifespan of the bearing. These 5/8 inch feature a 360 degree rotation ability; This feature enhances right directional movement, thereby enabling smooth operations; This is useful when transferring goods over different directions, significantly improving productivity and convenience. These roller ball transfer bearings have a wide range of applications; They are easy to be installed on most light furniture such as shelves, chairs, serving tables, cabinets, drawer boxes, desks, table saws, miter saws, also can be widely applied in conveyor line installations, processing systems, wooden boxes, transmission furniture, workbenches, , transmission systems. Our roller bearings are easy to install. You do not require highly technical knowledge or complex tools to install these bearings. Quick and easy installation reduces time, enhancing work productivity. Despite the numerous quantities, these conveyor roller bearings are easy to organize. Their sizeand structure allow compatible with easy storage without taking up much space. This not only keeps the workplace tidy but also ensures that the bearings are easily accessible when neede